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CVE-2011-4033

17
FAUCET Score

CVE-2011-4033 describes a buffer overflow vulnerability in the Steema TeeChart ActiveX control, impacting Schneider Electric Vijeo Historian, CitectHistorian, and CitectSCADAReports versions 4.30 and earlier. This vulnerability has a CVSS score of 4.3, indicating a medium severity, and could allow a remote unauthenticated attacker to cause a denial of service (system crash) with moderate attack complexity. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE. The EPSS score is very low, suggesting a minimal likelihood of exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.30CPE matchmatch criteria
cpe:2.3:a:schneider-electric:vijeo_historian:*:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:schneider-electric:vijeo_historian:4.0:*:*:*:*:*:*:*
4.10CPE matchmatch criteria
cpe:2.3:a:schneider-electric:vijeo_historian:4.10:*:*:*:*:*:*:*
4.20CPE matchmatch criteria
cpe:2.3:a:schneider-electric:vijeo_historian:4.20:*:*:*:*:*:*:*
<= 4.30CPE matchmatch criteria
cpe:2.3:a:schneider-electric:citecthistorian:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.55%
Probability of exploitation in next 30 days
EPSS Percentile
72.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0155 is in the 47th percentile among its peer group of 19,954 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

citect.com / index.php
scada.schneider-electric.com / sites/scada/en/login/historian-vulnerability.page
us-cert.gov / control_systems/pdf/ICSA-11-307-01.pdf
US Government Resource